Yarn dog



FIG. 1 is a right side elevational view of a yarn dog according to my new design;

FIG. 2 is front elevational view of the yarn dog;

FIG. 3 is a top plan view of the yarn dog;

FIG. 4 is a bottom plan view of the yarn dog;

FIG. 5 is a left side elevational view of the yarn dog; and

FIG. 6 is a rear elevational view of the yarn dog. 

The ornamental design for a yarn dog, as shown. 